IPsky United States
- International VoIP Wholesale Provider
- Phone To Phone
- Quintum
- Billing system of own development
Call-Back is
when the initiator of a call immediately calls back for the second time as a
response.
UniVoIP hosted PBX and business VoIP
A hosted PBX telephone system connects all of your employees to each other and to your clients, no matter where they are. Main office, home offices, satellite offices, mobile workers and even international offices can all be accessible through a single ph
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